Comparison

UD Browser vs 超教科書

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

UD Browser

This app enhances reading accessibility with universal design principles. It supports various e-book formats, offers OCR for document digitization, and includes text-to-speech and zoom features for comfortable reading by anyone.

Highlights
  • Universal design for accessibility
  • Supports EPUB, DAISY, PDF, HTML formats
  • OCR for digitizing paper documents
  • Text-to-speech functionality
  • Keyboard navigation and zoom display
  • Reflowable and fixed layouts
Read full description

UD Browser is an e-book reading application developed based on universal design principles, with a strong focus on enhancing reading accessibility. This application allows users to switch between fixed layouts (PDF) and reflow layouts (HTML), while supporting a wide range of e-book formats, including EPUB and DAISY. Designed for comfortable use by anyone, it features an OCR function, zoom display, keyboard navigation, dictionary search, and text-to-speech capabilities. The intuitive, easy-to-navigate menus and text selection functions ensure that individuals with low vision can confidently use the app. Additionally, the OCR and file conversion functions enable quick digitization of paper documents. Ideal for use in educational settings, workplaces, and at home, this app is a powerful tool for supporting learning and information sharing. This application was developed under contract with the Yasushi Nakano Laboratory at Keio University and was completed with research funding from the Ministry of Education, Culture, Sports, Science and Technology (MEXT) and the Japan Society for the Promotion of Science (JSPS) (Grant Numbers: 16H02072, 19H00623, 22H00081). Application Features - Easy-to-use interface with large, readable menus - Dictionary search and text-to-speech functionality - Page jump feature for quick navigation - Support for keyboard operations - Reflow display that maintains readability when text is enlarged - Conversion functionality for text files, Word files, and PDF files - OCR functionality for digitizing paper documents - Compatibility with EPUB and DAISY file formats

About

超教科書

Features
Read full description

「超教科書」はデジタル教科書・教材を表示するためのビューアアプリケーションです。 『紙の教科書を超えて その先へ』をコンセプトに、デジタル技術を最大限に活用して未来の学びにアプローチします。 ▶ 学習をサポートする充実した機能 ◀ ● 便利な書き込み機能 ペンツールや図形ツール、マーカーなどを使用し、紙面上に書き込むことが可能です。 ● 超しおり - ページ数だけではなく、対象のページへの書き込み情報を保存できます。 - ひとつのページに複数の「超しおり」をつけて、時系列で書き込みを振り返ることができます。 - 保存した「超しおり」はファイルとしてエクスポートし、他の端末にインポートすることが可能です。 ● 暗記ペン 好きな箇所をマークして隠すことができ、またその箇所をタップで見え隠れさせることができます。 ● バインダー機能 - 教科書に紐付かせる形で、自由に書き込めるノートを作成可能です。 - 学習用のノートとしてはもちろん、先生の教材作成にも使えます。 ● ツールのカスタマイズ ツールバー内のよく使うアイコンを並び替えたり、使わないアイコンを非表示にすることができます。 ● 特別支援機能 ルビ表示の切り替え、白黒反転(カラーフィルタ)設定、読み上げ機能により学習をサポートします。 ▶ ダウンロード前に使用許諾契約をお読みください ◀ 本アプリケーションをダウンロードする前に、必ず使用許諾契約をご確認ください。 ▶ お問い合わせ方法 ◀ 使い方に関するお問い合わせは、ご利用になっているデジタル教科書・教材の発行元にお問い合わせください。

Screenshots

UD Browser4 screens
超教科書4 screens

Verdict

The call

The clearest difference is review sentiment: UD Browser at 50% against 超教科書's 0%. UD Browser also leads on update cadence (weekly vs every 6 months) and iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

UD Browser ships an update weekly, 超教科書 every 6 months. The most recent releases landed on September 16, 2026 and September 1, 2026 respectively.

Scorecard3 real differences · 7 level
UD Browser versus 超教科書: the parameters behind the verdict, then further details
ParameterUD Browser超教科書
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings1 — better—
Update frequencyWeekly — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size148 MB24 MB
Age rating4+4+
DeveloperClimb AppBPS Co., Ltd.

Customer experience

UD Browser

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews24 reviews
Positive50.0%
Neutral33.3%
Negative16.7%

超教科書

Written reviews9 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

UD Browser

No in-app purchases

None

超教科書

No in-app purchases

Questions

Is UD Browser free?
UD Browser is free to download, with no in-app purchases.
Is 超教科書 free?
超教科書 is free to download, with no in-app purchases.
Do UD Browser or 超教科書 have ads?
Neither UD Browser nor 超教科書 shows ads.
Which is updated more often, UD Browser or 超教科書?
UD Browser ships an update weekly, and 超教科書 every 6 months. Most recently, UD Browser was updated on September 16, 2026 and 超教科書 on September 1, 2026.

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